TY  - RPRT
TI  - Free-electron laser gain without bunching.
AU  - RH Pantell
AU  - J Feinstein
AU  - W Ding
PY  - 1989
DO  - 10.1103/physreva.40.1436
UR  - https://pubmed.ncbi.nlm.nih.gov/9902278/
ID  - 9902278
ER  -